Animal-shears.



"i if motor is located.v The' through the closed end of l ticularly tothat type which are operate nates the handle of the cli AUNITED STATES PATENT OFFICE. "WALTER P. SPARKS, or ST. LOUIS,v MISSOURI.

l -AIN|nnA-L-sl-lsans.l

Specieation of Letters Patent.

Patented March 1e. 190'?.

Application led March 26,1906. Serial No. 908.125.

To all, whom t rrtctyconcern:A

I Be it known thatI WALTER P. SPARKS a citizen of the' Unite-d States, residing at st. Louis, Missouri, have invented a certain new apd useful Improvement in Animal-Shears, o exact description, such as will enable others yskilled in Ythe art to which i't appertains tomake and use the same, reference being had to the acconlpanying drawinlgs, `forming part of this spec cation, in whIc `Figure l is a to plan view of my improved horse-clipper Wit a portion of the hous' broken` away. Fig. 2 isv a vertical longitudinil sectional view taken on the line 2 2 of Fig. 1, and Fi 34 is a transverse sectional view taken ont e line 3 3 of Fig.. 1.'.

This invention relatesto clippers and (pirelectricity.. y The object of .my invention is to provide an electrically-operated clipper which is very compact and of sim le construction.

Referring to the rawings which represent the preferred form of my invention, 1 desigper, having a shell ereto, in which a particular type of motor whichisused, however,is immaterial, so that I do not" deem it necessary to illustrate or describe the same. provided with a closed end 3, and connected to this end by means of screws 4 is a member 5 having the stationary toothed blade 6 of or casing 2-connected t" theclipper formed integral therewith. The

armature-shaft 7 of the motor extends through the member 5, which is enlar ed, as

'fshown in Fig.'2, toform a bearing or the n ciprocates t extended end of said shaft.H Connected to the outer end of said armature-shaft by means of a in 8 is an eccentric 9, which rehe movable blade 10 of the clipper. The movable blade 10 is provided with a plurality of upwardly-projecting posts 11, having inverted-V-shaped edges which form guideways, and reciprocating y mounted between these (giuideways is a cross-head 12, that surroun the eccentric 9 on the end of the armature-shaft said cross-.head consisting of a lurality oi blocks, as shown in Fig. 3L As t e armature-shaft rotates the eccentric thereon cooperating with the cross-head 12 and the upwardlyrojecting posts on the movable blade 10 w'l impart a transverse reciprocating movement to said blade, so

which the following is afull, clear, and

' The casing is` the -shell and' tween the teeth of the stationary and movable blades will be severed. Preferably the stationa blade has two more 'teeth than the Inova le blade, and the throw of the geccentric is great enoughto cause each tooth of the movable blade to coperate with two teethy of the stationary blade each time rthe -movable blade is moved transversely, thereby producing practically a double cut, which is much more eective than if each tooth'of the movable blade coperated with only one tooth of the stationary blade.

It will be understood, of course, that the rotation of the eccentric 9 imparts avertical reciprocating movement as well as a lateral movement to the cross-head, and to provide I that the hair which projects upwardly befor the downward movement of the crosshead the movable blade 10 has an opening formed therein, as shown in Figs. 2 and 3, into which the lower end of the cross-head projects in its recipl ocating movement.. The continual operation of the cross-head in the, posts carried by the movable blade causes the coperati'n surfaces of these parts to wear away, an to rovide for this the posts are made adjustab e, so that they can be moved toward each other to compensate for this wear, each postbeing connected to the movable blade by a screw 13, which passes through an elongated slot in the blade. To

prevent the posts from turningA relatively to the blade,- each post is provided in its lower end with a rib 14, thatextends into a groove formed in the top face of said blade. A housingv or ca -plate 15 is provided for holdin the movable blade inoperative position an also for inclosing the eccentric cross-head and posts on said blade, said housing being of the shape shown in Figs. 1 and 2 land consisting of an approximately hollow rectan ru-A lar portion provided at its lower edge wit a flange that extends across the front side of the housin at its ends and for a portion of the rear sieof the housing saidlflan e lbearing on the upper face of the movab e blade andfholding it in operative position. The

housing isalso provided with ribs 18, that project into vertically-extending grooves ormed in the member 5, and extending along the bottom of the flange at the front of the housing is an inverted-V-shaped rib 19, which projects into a V-sha ed groove formed in the top of the movab e blade and acts as a guide for said blade. The housing is held in position by a bolt 20,

carried by the station- IOO` IIO

. ary blade and projecting upwardly through an elongated. slot 21-in the movable blade.

-The conductors 22 and 23 extend/ through the handle 1 to 'the motor located inthe casing, and the switch24 is slidingly mounted in said casing to control the starting and stop- IQI ping ofthe motor.

having thus described my invention, what I claim as new, and desire to secure by Let-4 ters Patent, isv L 1. A devi'ce of the class described, comprising a casing having a motor located therein, a handle connected to said casing, a stationary blade connected to said casing, a movable blade cooperating with said stationary blade, upwardly-projecting posts adjustably connected to said movable blade and provided with inverted-V-sliaped guideways,

a cross-head freciprocatingly mounted between said posts, and aneccentric located within said cross-head and carried by the ar- Y mature-shaft ofthe motor'for' imparting a transverse reciprocating movement to the movable blade; substantially as described.

' 2. A device of theclass described, comprising a casing provided with a closed end and having a motor located therein, a handle connected to said casing, a member connected to the end wall of the casing vand having a stationary blade connected thereto, a movable blade resting on the stationary blade and provided with .upwardly-projecting posts, an armature-shaft projecting through the end Wall ofthe'casing and the member which is connected thereto, an eccentric on' justably connected to said movable blade at each side of the opening therein, a plurality of blocks forming a cross-head which is reciprocatingly mounted between said post-s, an armature-shaft provided" with an eccentric that is locatedwithin saidcross-head, av

housing for inclosing the posts and 'the parts coperatingbtherewith, a bolt carried by the stationary lade for holding said housing in operative position, vertical guide-ribs at the rear'of the housing, and a transversely-extending guide-rib at the front of the housing l which projects into a groove in the movable blade; substantially as described.

' In testimony whereofl hereunto aflix my signature, 'in the 'presence of two witnesses, this 23d day 'of March, 1906.

WALTER P. SPARKS.

Witnesses'. A WELLS L. CHURCH,

GEORGE BAKEWELL. 

